A cubic function with three roots (places where it crosses the x-axis). Third degree polynomials have been studied for a long time. In fact,Babylonian cuneiform tabletshave tables for calculating cubes and cube roots. Chinese and Greek scholars also puzzled over cubic functions, and later mathem...
Some graphs created with Desmos.What is a Functional?In general, a functional is a function of functions: a function that depends on other functions.There are a few modifications on the basic definition. Which one you use depends on what field you’re working in....